This section is about the normal operation of computer networks. For network vulnerabilities, see Hacking and security (above). * Bandwidth ([/wiki/Special:Search?search=Bandwidth un] wp g [+Bandwidth gun] gwp | eb 1911 co gct sw yt) * Content delivery network (abbreviated CDN) ([/wiki/Special:Search?search=Content+delivery+network un] wp g [+Content+delivery+network gun] gwp | eb 1911 co gct sw yt) * ISP or Internet service provider ([/wiki/Special:Search?search=Internet+service+provider un] wp g [+Internet+service+provider gun] gwp | eb 1911 co gct sw yt) * Linksys ([/wiki/Special:Search?search=Linksys un] wp g [+Linksys gun] gwp | eb 1911 co gct sw yt) - and mention the error message "Upgrade are failed!" shown by their home routers for firmware upgrades * Mozilla Thun